1/8" 3/32" Narrow/Wide; . 130 40 Teeth Chain Retaining Single Ships Free your price $64.99 + ships free Buy PART NUM 334237 Race Face CX Narrow Wide Chainring 110BCD 40T - Black Cyclocross 1x chainrings in compact 110mm or standard 130mm Narrow-wide teeth prevent chain drop, updated tooth profile runs quieter Durable 4mm thick read more 110 40 Teeth Chain Retaining Single Vision. Posted by 6 minutes ago. 89.99 Inc VAT Quick view. . US $23.05 + Shipping: US $2.23. Surly SSRing40Tx110. SAR-40T-BCD130_S.B._BLK Generally, the main things to consider are terrain, what speed do you normally maintain on the flats, and at what approximate crank revolution (RPM) rate, and what your training goals (high RPM/anerobic conditioning, lower RPM/time trialing, etc.) With a single chainring drivetrain, you'll have to sacrifice some high or low gears compared to 2x or 3x. . This setup is proven and works well on . Your 'cross bike, with a 40T ring. PRODUCT SPECIFICATIONS. Direct mount chainrings for SRAM cranks with 8-bolt mounting replace your existing spider and chainring with one clean looking, lightweight, and stiff piece of machined billet. I just want to be decently . SLX 10-Speed M660 Chainrings Item Specifications Color Black Material Steel Teeth 24teeth Chainring BCD 64mm Ring Position Inner Chain Compatibility Dyna-Sys Defined Color Black Shimano SLX M660 10-Speed Chainring Chainring UPC: 689228507456. $39.99 - $44.99 39.99 44.99. Out of stock. Report incorrect product info. The intent of the simple calculator below is to help you choose the best gearing for the kind of riding you do on a fixed or single speed. Rp1.890.000. From $39. Bike compatibility: Universal. tax In stock Default Add to cart Question about this product? FSA 40 Tooth Pro MTB Chainring 86mm BCD 3 Bolt 380-0540F M-10 40T WA367 386. Shimano recently launched XT 11-speed, which offers single, double and triple chainring options as well as a wider gear range on the cassette than what XTR offers (11T-42T vs 11T-40T). This item: FSA DH/SS MTB 40t 104mm Chainring 3mm Thick Black $28.00 SHIMANO CN-HG93 Ultegra/XT 9-Speed Chain $29.49 YBEKI 30T 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Chainring 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX 415 49 offers from $9.85 That could be the difference between conquering a steep climb and being forced to get off and walk. The perfect compliment to your All-City cross bike. These rings can be used in single ring applications. CR-PGLD . New. TA 110 PCD Zephyr . CX1 X-SYNC chainrings are compatible with Quarq brand power meters; Specifications: Chainring Shape: Round Drive Type: 1x Speed Compatibility: 10 and 11 Speed Chainring BCD: 110mm Mount: 5-Bolt Material: Aluminum Color: Grey Weight: 68g (38T), 73g (40T), 75g (42T), 85g (44T), 98g (46T) Add to wishlist Add to comparison list Information Reviews (0) Moreover, if oval chainring, mabilis lang ba lifespan ng chain and RD? Defined Color: Silver. CHAINRING OR8 144mm 50T ALY TRK 1/8 SL CNC machined AL6061-T6 alloy construction. Front chainring type: Single; Chainring 40T; COMPATIBLE MODEL. FEATURES. FSA Road Instagram. Shimano Alfine FC-S501 130mm BCD 5 Arm Single Chainring - Silver - 45T. I don't have enough experience to know how much each of the above mentioned factors weighs into the equation. Shimano GRX Chainring 1x11 Speed Black 40 Tooth 110mm $59.45 New Bike Chain Ring Shimano Fcrx600 GRX Single Black 40t $57.85 New Shimano XTR Chainring Fc-m985 40t for 2x10s BCD 88mm (1) $114.35 New SRAM AXS 1x12 Speed X-sync Aluminum Chainring 40t BCD 107mm Polar Grey $105.66 New It's also a lot more affordable and you can bet your bottom Yen that the Shimano engineers are fine-tuning the SLX 11-speed groupset right now, bringing 11 . Warranty: Multiple Warranties and/or Time Frames Apply. Shimano XTR FC-M9120 Crankset - 170mm, 12-Speed, 1x, Direct Mount, Hollowtech II Spindle Interface, Gray $434.99. Click here! Facebook. Dimensions (Overall): 2.0 inches (H) x 8.0 inches (W) x 10.0 inches (D) Weight: .29 ounces. Crank Single Chainring MTB Road SRAM Untuk 10 Speed BB73 BCD 104 di CV Rintik Group. Reply. Buy Single Speed Chainrings for sale at Pushys.com.au for quality products sourced from only trusted brands and with excellent customer service to match. Applicable crank: 104mm BCD. Free shipping for many products! Shimano Deore M6000 40T Chainring - 10 Speed, 96mm BCD, for 40-30-22T Set. Rp321.750. Single Speed Gear Ratio Charts Having trouble picking out the right gear ratio for your single speed? $61.99. Bike Chain Ring Single Chainring 32T 34T 36T 38T 104 BCD Bike Narrow Wide Chainrings for Bicycle Road Bike Mountain Bike BMX MTB Fixie Track Fixed 136 $17.31 $ 17 . Will this work? . Shimano Dura-Ace FC-R9100 34T MS . If the item details above aren't accurate or complete, we want to know about it. UPDATE: It turns out that in order to have the 40T chainring placed at 4-5mm away from the chain stay, the rear wheel needs a 4mm dish. 40t Chainring on a 1x11 (11-52t) Mechanical Help. crankset bottom-bracket chainring single-speed build Share X-Glide Road 110BCD Chainrings. 110 40 Teeth Chain Retaining Single Full Speed Ahead 370-0018012050 Ships Free your price $47.00 + ships free Buy PART NUM 138255 FSA (Full Speed Ahead) Gossamer Pro MegaTooth Chainring - 40t, 110 FSA ABS BCD, 4-Bolt, Aluminum, For 1 x 11-Speed, Black This MTB chainring can be used on 9,10 and 11 speed drivetrains and will keep your chain in place over the roughest terrain. . 40t steel ring, Takes 107mm square taper bottom bracket. CHAINRING CRANK 40T BCD 104 - NARROW WIDE CHAIN RING SINGLE CRANK - CH. 130mm BCD x 38t, 39t, 40t, 42t, 44t, 46t, 47t, 48t, 49t and 50t. Rp2.100.000. ZRACE BCD110 Chain Ring Road Bicycle Parts Bike Chainring Aero Chainring Single Speed 40T/42T/44T for RX Crankset 170mm. Shimano Deore M6000 40T Chainring - 10 Speed, 96mm BCD, for 40-30-22T Set. Gearing yang simpel Dengan single chainring, hanya ada satu shifter di sepeda, shifter untuk pemilihan gigi belakang. BCD: 110. 32-52T 104bcd 170mm Single Speed Crankset MTB BMX Bike Crank set Chainring Bolt. COMPATIBLE SERIES. VXM 104BCD 40T/42T Round Mountain Bike Narrow Wide Chainring Sprocket Single Speed Bicycle Crank Chain Wheel Cycling Parts Accessories. Chop Saw I 40T BMX Single Speed Bicycle Chainring 110/130 bcd - LIGHT GOLD ANODIZED $28.99 Excl. Check out these charts to help you make the right decision. New. Finish is dull from age Specs: 170mm arms. X-SYNC Road 110BCD Chainrings. Deore M6000 series 10-speed chainrings provide smooth and reliable shifting, ideal for off-road riding conditions. Find many great new & used options and get the best deals for Single Bike Chainring Easton Flattop Cinch Direct Mount 12 Speed 40T at the best online prices at eBay! . With a cassette that ranges from 10-42T you're very well covered, just pick a chainring size to suit your style, strength and endurance. SHIMANO GRX . Minimal wear on 40t ring. Threads are perfect! Colour: Black. TA 110 PCD Zephyr Outer Road Chainring 40-49T . by Shimano Teeth: 40 Teeth. Used but still fine plenty of life left in the chainrings! 40T; 42T; 43T; 44T; 46/33; 46T; 48/35; 48T; 50/37; 50T; 52T; 53T; More. Deore M6000 series 10-speed chainrings provide smooth and reliable shifting, ideal for off-road riding conditions. Youtube. tax In stock Default Add to cart Question about this product? Done. DECKAS 104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring Single Chainring for 7/8/9/10/11/12-Speed (Round) 307 17 offers from $15.93 YBEKI 30T 32T 34T 36T 38T 40T 42T 44T 46T 48T 50T 52T Chainring 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX 467 Amazon's Choice in Bike Chainrings US $59.50. . 40t Chainring on a 1x11 (11-52t) Mechanical Help. Like Like. 42T. 40t (26) 41t (2) 42t (41) 43t (1) 44t (31) 45t (3) 46t (25) 47t (5) 48t (22) 49t (6 . H&H Chainring with Chain Guard - Silver - 40T. 1 X Narrow Wide Round Chainring. Features: Material: 7075-T6 Aluminium . Included: 1 X Narrow Wide Round Chainring. It is not ramped or pinned for shifting assistance, so shifting will be a bit slower if using these with a front derailleur. Single Sram X-Sync 40t 110BCD 1x11 Speed Chainring | Sporting Goods, Cycling, Bicycle Components & Parts | eBay! Chain Compatibility: 9-Speed, 3/32". Surly Stainless Steel Chainring From $35.00 (67) Race Face Cinch Direct Mount Chainring From $69.99 (42) Race Face CX Narrow Wide Chainring From $59.99 (4) SRAM X-Sync Road 1X Chainring From $61.66 SAVE 31 % MSRP $89.00 (21) Race Face Cinch Steel Dm Chainring $19.99 (6) Wolf Tooth 110 BCD Cyclocross & Road Chainrings From $79.95 (10) $42.99 Save 38%. . At a cadence of 100, your top pedaling speeds are as follows; 44 x 11 = 33 mph or 53 kph; 42 x 11 = 32 mph or 50 kph Pro MTB Chainring 30T 1X . There's a wee bit of science/math involved here. Our studies led by University of Primorska, Slovenia show on the below video significant differences when using Oval chainrings compared to round. . In Stock. Instagram. IXF 104bcd MTB Bike Crankset 170mm Crank 32-42T Narrow Wide Bicycle Chainring BB . New User Deal. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. BLACK by Absoluteblack Narrow Wide Oval MTB Single Chainring; 38.99 - 44.49; RRP 44.49 - 52.99 SAVE UP TO 16% -- SELECT OPTION --Please select an option . Only 1 in stock. Only 1 in stock. Campagnolo Record/Chorus 52T 10 Speed Chainring. Pro Track Chainring. Single | 40T; Single | 42T; Single | 44T; Single | 46T; Back Order. Made in the USA. e*thirteen TRS+ 12-Speed Cassette 9-46T Kenapa single chainring Kelebihan dan kekurangan dari sepeda single chainring adalah kebalikan dari kelebihan dan kekurangan dari double/triple chainring. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call . Miche Primato Advanced Pista Track Chainring. 69 Bike Chian Ring, 2 Size 104MM 40T 42T Narrow Wide Bicycle Single Chainring Cycling Accessory Replacement 17 Twitter. On a mountain bike, the small change of swapping from a 32t to a 30t chainring gives you gearing that is 6.7% easier. 50 sold. If we take a semi-compact ring setup (36/52T) with a common road cassette range, 11-28T, the gearing ranges from 34.7 inches (easiest) to 127.6 inches (hardest). Chainring BCD: 110 milliliters. Whether you are using a cassette, single speed or IGH and the size of the rear cog(s) What you want the top speed of your ebike to be; . Performance MTB Chainrings CNC'd 7075 T-6 Modified shift gates and special profiles to allow 9 and 10 speed chains to shift flawlessly Middle and Outer chainrings have strategically placed stainless steel pins to further enhance shifting Middle chainrings are cut from thick .190" material Outer chainrings are cut from .160" material 22-28t & 34-40t rings are compatible with Shimano M785 and . View More Close. If it will, would it increase tension on the RD and chain resulting to a faster wear and tear? Up to 9% increase of Force effectiveness, up to 7% less oxygen consumption, up to 15% less Ventilation (breathing) and up . Features: Compatible with 8, 9 and 10 speed chains No. Ring Use: Middle, Single. Compatible with 4-arm crank read more 96 40 Teeth Outer Shimano Y1WC98020 your price $25.00 Buy PART NUM 667735 FSA Mountain Instagram. FIND A DEALER. Our chainring is ideal for single-speed, fixed gear or tandem timing chain applications. Specification: 40T, 42T. In order to turn regular 10 speed 11-36 cassettes into 11-40t, a number of companies have cropped up to make space by removing one of the smaller cogs (16t or 17t) with a bigger one (40t or 42t). 1 + Shipping: US $2.74. We're Australia's No.1 online store for affordable cycling and multi sports gear! We found that 40T front chainrings work great for the rolling hills in Minnesota; 42T or 44T if you need more top end speed; 36T or 38T if you want a smaller climbing gear; Most people over gear and select too big of a chainring. Bolt Circle Diameter (BCD) 104 BCD; 107 BCD; 110 BCD; 130 BCD; 94 BCD; Direct Mount (DM) More. TNSPRD DOVAL chainring oval aero 54-40t BCD110 4lubang - 2nd Hand. This resulted in a range of (40/22) * (36/11) = 5.95 for the triple 11-36, and 5.36 for the double. Select . Will combine shipping by giving%50 discount on original shipping . chainring single speed shimano 40T BCD 96mm. Twitter. Deckas Narrow Wide Tooth Chainring Bicycle 40T 42T 44T 46T 48T 50T 52T Chainring 104mm BCD Oval or Round CNC Machined Alloy Fits 8 to 12 Speed Chains 93 25 offers from $19.99 Click here! AU STOCK 30T-42T 104BCD Narrow Wide MTB Road Bike Chainring Single Chain Ring. From $48. New 40T Chainring Precialps for Bafang BBS01 or BBS02. . Offset Standard (49mm chainline / 6mm offset) . 39.99 Inc VAT Quick view. CR-XSNC-110-A1. Single. 40T/42T Round MTB Bike Narrow Wide Chainring Sprocket Single Speed Crank Ch NI5L. If you have any question, feel free to call one of JensonUSA's Gear Advisors at 951-234-7554. $104.00 FSA | Mountain. Shimano GRX RX810 Chainring - 40t 110 BCD 4-Bolt 11-Speed Black your price$73.00+ ships free WatchPART NUM602759 Connect Email Sign Up Facebook Orders Status & Tracking Delivery Returns Contact Us Email Phone Visit Feedback Store Reviews Suggestion Box Report a Mistake Support Warranty Gift Certificates Store Credit Safety Notices About Us $89 - $107. This 1x has a range of only 3.82x. From $39. Arrives by Mon, Sep 26 Buy Round Oval Chainring 30T 32T 34T 36T 38T 40T Narrow Wide Single Chainring for 11 12 Speed MTB Bike Mountain Bike Bicycle - 32T at Walmart.com From $39. How much will 4mm dish weaken the rear wheel? Race Face Narrow-Wide Chainring (Black) (1 x 9-12 Speed) (130mm BCD) (Single) (40T) - Performance Bicycle Parts > Chainrings & Accessories > Mountain > Chainrings > Part# RNW130X40BLK Race Face Narrow-Wide Chainring (Black) (1 x 9-12 Speed) (130mm BCD) (Single) (40T) Write the first review RNW130X40BLK Race Face Related Products In Stock Online 1 sold. Thruster 64/104mm BCD Chainring Sets. Rp39.000. 144mm 5-Bolt BCD pattern. Free shipping. Race Face Narrow Wide MTB Single Chainring. Questions. No chainring bolts included. Sugino crankset has scratches and shoe scuffs on arms. Deore M6000 series 10-speed chainrings provide smooth and reliable shifting, ideal for off-road riding conditions. Shop by category . 40T. $85.99 Save 36%. . Full Speed Ahead. A bit more top end gear compared to what you first thought at the expense of a bit of your smallest gear end, or the reverse. GRX 10-speed View More Close. Adopt high-speed CNC machine tools in one piece to ensure the strength and beauty, not fade, beautiful atmosphere. Shimano Deore M6000 40T Chainring - 10 Speed, 96mm BCD, for 40-30-22T Set Deore M6000 series 10-speed chainrings provide smooth and reliable shifting, ideal for off-road riding conditions. are. Thruster Direct 1x Boost/Fat Chainrings. Description. AU $25.99. This item: SRAM 11 Speed X-Sync 1X11 Chainring $65.95 SRAM PC 1130 11-Speed Solid Pin Bicycle Chain with PowerLock Chain Connector, 114 Links $32.95 SRAM0 Nx Pg-1130 11 11-42T Speed Cassette, Black (00.2418.052.004) $94.36 SRAM X-Sync 11 Speed Chainring 60 7 offers from $52.95 Close. It's also important to note that the higher the number of teeth your chainring has the harder it will be to pedal, while fewer teeth means easier to spin up climbs. Gear range on a SRAM X11 or X01 11 speed drivetrain is about as good as it gets for a single chainring drivetrain setup. FOURIERS ULTEGRA FC-R8000 11-SPEED CHAINRING 110BCD 4-BOLT ROAD BIKE CHAIN RING 40T 42T 44T 46T 48T BICYCLE CRANKSET PARTS US $59.50 + Shipping: US $8.83 Yohoo-Works Store FOURIERS MTB Bicycle Chainring 104 BCD Round mountain bike narrow /wide chain ring crankset Chainwheel 34T 38T 40T 42T US $29.26 Free Shipping Shenzhen Jingwei Store Shimano GRX FC-RX810-1 40T 1x Chainring Black. $221.00 FSA | Track. PowerGlide 130BCD Chainrings. Material: Aluminium. K-Force Modular Chainring. Alan Shanoski says: December 23, 2020 at 1:12 pm 40T/42T Round MTB Bike Narrow Wide . Affordable shipping ship same-day on orders before 3 p.m. 104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring Single Chainring for 9/10/11-Speed (Round): Sports & Outdoors The direct mount chainrings for SRAM cranksets replace your existing spider and chainring with one clean looking, lightweight, and stiff piece of machined billet. Tooth Count: 40T. Chainring 40T for FC-RX600-1 . If you are a beginner to single speed mountain biking, 32/19 is a common [] These single chain rings have special properties which help retain the chain on the ring. 10%. SRAM X-Sync Chainring (Black) (1 x 10/11 Speed) (Apex 1) (Single) (40T) - Performance Bicycle Parts > Chainrings & Accessories > Mountain > Chainrings > Part# 11.6218.037.000 SRAM X-Sync Chainring (Black) (1 x 10/11 Speed) (Apex 1) (Single) (40T) (110mm Asym. K-Force ABS Road Chainring (5H) $263.00 FSA | Gravel. Speed Compatibility: 12 Speed Chainring BCD: - Mount: SRAM Direct Mount (8-Bolt) Material: Aluminum Color: Grey/Black Weight: 124g (42T) Works great Skip to main content. Chop Saw I 40T BMX Single Speed Bicycle Chainring 110/130 bcd - BLUE ANODIZED $28.99 Excl. Probolinggo nunu cember. AU $17.69. Kelebihan Single Chainring: 1. CR-XGLD-110-A1. So your bike loses on maximum top speed (if you can pedal fast enough), or on easiest gear, or both. Was: $41.34. For gravel, going from a 42t to a 40t provides 5% easier gearing. Thruster Direct Mount Spiders. BCD) Write the first review 11.6218.037.000 SRAM Related Products In Stock Online $3.59. TA Double Chain Ring Bolts Set of 5 . FOURIERS ULTEGRA FC-R8000 11-SPEED CHAINRING 110BCD 4-BOLT ROAD BIKE CHAIN RING 40T 42T 44T 46T 48T BICYCLE CRANKSET PARTS. SRAM Eagle Direct Mount 1x12 Speed Chain Ring; 50.49 - 90.00; RRP 79.00 - 95.00 SAVE . Recent Shimano 9 speed MTB chainsets are 40/30/22 triple or 36/22 double. E*Thirteen Ultralight Guidering From $69.95 (1) Shimano XT M782 Chainring From $26.00 (3) Absolute Black SRAM DM CX 1X Oval Chainring From $89.99 (11) Wolf Tooth 110 BCD Asymmetric 4-Bolt for Shimano Cranks From $84.95 (6) Absolute Black 5x110BCD CX/Gravel 1X Oval Chainring From $83.99 (2) Wolf Tooth Oval Direct Mount Chainrings for Race Face Cinch Crank Single Chainring MTB Road SRAM Untuk 10 Speed BB73 BCD 104 di Tokopedia Promo Pengguna Baru Cicilan 0% Kurir Instan. Buy this product and your entire order ships for free. RX400-2 - 46/30T chainrings with 11-36T 10-speed cassette To put these numbers into real world terms, let's take three examples and compare. All Absoluteblack chainrings are compatible with 10 and 11 speed drivetrains. . Soma Hellyer Track 130mm BCD 5 Arm Single Chainring - Silver. $41 - $158. Part Type: Crankset - With Chainring. Shimano XTR M9120 cranks feature a lightweight and rigid design thanks to Hollowtech II crank construction. Free postage Free postage Free postage. Beli . Understanding Chainring Measurements. Tangerang Selatan Tumpu Mart. With an 11-34 tooth gear range it soon because apparent that by going to a single 28 tooth front chainring the gear range would be the same as the 36 Derailleur, Rear Get the best deals on 9 Speed Bicycle Cassettes when you shop the largest online selection at Shimano Ultegra CS-6500 12-27T 9 Speed Cassette, New in box Wondering if it's best to . Silver anodized finish. Mpn: Y1LU24000. 4.9 of 5 stars average ( 18 reviews ) Surly 40t x 110mm Stainless Steel 5-bolt Chainring. . All-City Cross Chainrings. $52.49 Save 19%. 31 - $20.69 $ 20 . . Race Face Chain Ring Bolts. ROTOR QRINGS 40T BCD110x4 Oval Single Chainring. Race Face Direct Mount SRAM Narrow/Wide Single Chainring. Great for all single speed applications. Classic Single Speed Chainrings. - Shimano HG-X technology - Compatible with 4-arm crank design Shimano Deore FC-M6000 Chainring for 36-26T Notable components in the here are actually the SRAM cranksets. Sugino Crankset 170 mm 110 bcd 40t Chainring Single Speed Fixed Gear. If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring . . Vote. Brompton Chainring and Guard for Spider Crank - 54T. FC-RX600-1. Add to wishlist Add to comparison list Information Reviews (0) Adopt high-speed CNC machine tools in one piece to ensure the strength and beauty, not fade, beautiful atmosphere. Please Log in to receive a notification when this item arrives in stock. 32t, 30t, 40t, 42t, 44t; Speed: 9/10/11 Speed; Reviews. MODEL NO: WP-Y0K540000: SERIES: GRX 10-speed: Chain Ring Type: 40T: Speed: 11-speed: COMPATIBLE PRODUCTS . You can calculate the biggest and smallest gear (in case that would be 38/10=3.80 and 38/42=0.90 with the smaller ring and 40/10=4.00 and 40/42=0.95 respectively) and see which of those options you like best? 40T; 42T; 44T; 46T; 47T; 48T; 49T; 50T; 51T; 53T; 64/104BCD; Circular; Width. DECKAS 104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring Single Chainring for 7/8/9/10/11/12-Speed (Round) 303 $2299 Get it as soon as Thu, Sep 1 FREE Shipping on orders over $25 shipped by Amazon More Buying Choices $16.38 (2 used & new offers) Zoagear Single Speed Chainring 130 BCD 48 Teeth Track Fixed Gear Bike Black 4 $1785 Thruster Direct 1x MTB Chainrings. Save Up To 33% RRP $59.99. VXM 104BCD 40T/42T MTB Bike Narrow Wide Chainring Single Speed (Balck 42T) $12.62. Riders on 'cross and road bikes will usually opt for something in the 40t to 46t range. Facebook. Seller assumes all responsibility for this listing. Chainrings can be easily exchanged with the direct mount system and one key release. Bicycle Chainrings & BMX Sprockets 40t Teeth for Electric Bike, $11.94 to $47.28. Item Name: Chainring Material: Aluminum Alloy Color: Black, Red Specification: 32T/34T/36T/38T/40T Features: Low Friction, Wear-Resisting, Smooth Surface Size Details: Inner Diameter: 10.4cm/4.09" (Approx.) . $. Shimano GRX Gravel Chainset FC-RX810-1 40t 175mm 11 Speed Cranks & Chainring. Save In List.