Skip to main content
  STORE LOCATION  LOCATION  |  M-F 10-7 | Sat 10-6 | Sun CLOSED

Alter Ego Sports Logo

Filter By:

  • Show More Brands

  • Show Fewer Brands
  • Show More Sizes
  • Show Fewer Sizes

Cranksets

Wheels Manufacturing Inc. Freewheel/BB Spacer
$3.49 - $26.99
Machined aluminum spacers for freehubs. Great for fine tuning freewheel and cassette placement or improving chainline. Also good for bottom bracket spacing with BSA BB cups. - Inner Diameter: 35.0mm - Outer Diameter: 40.7mm - Material: Aluminum - Finish: Polished - Bags of 10
Wheels Manufacturing Inc. BSA Bottom Bracket Spacer
$6.99
Wheels Manufacturing 2.5mm Black Aluminum Bottom Bracket Spacers are for adjusting chainline or bearing play in English (BSA) or Italian threaded bottom brackets.
Blackspire Single Ring Chain Guide Roller Kit
$11.99
- Includes replacement lower roller, 608 2Rs cartridge bearings, axle, bolts, and washers to fit blackspire single-ring roller chain guides
Wheels Manufacturing Inc. 29mm ID x 2.5mm Crank Spindle Spacer, Bag of 5
$12.99
Used to adjust crank chainline or take up any slack when using 29mm (SRAM DUB) spindle cranks. - 29mm I.D. - 2.5mm thick - 5 spacers per bag - Machined engineering-grade Delrin
Wheels Manufacturing Inc. 29mm ID x 5mm Crank Spindle Spacer, Bag of 5
$12.99
Used to adjust crank chainline or take up any slack when using 29mm (SRAM DUB) spindle cranks. - 29mm I.D. - 5mm thick - 5 spacers per bag - Machined engineering-grade Delrin
SRAM Mountain Steel Chainring
$13.99 - $26.99
Original equipment on SRAM and Truvativ cranks, these chainrings also work well with other drivetrains.
SRAM Carbon Crank Arm Boots
$15.99
SRAM’s cranks are strong and tough, ready for any kind of ride. So it’s inevitable that pedal strikes and debris will chip away at the end of the crank. SRAM’s Carbon Crank Boot is an upgrade that combats the wear and tear that comes with hard riding. The boot protects the crank from surface damage and keeps the rider’s style perfectly in tact. - Injection molded plastic crank arm protection - Perfect way to protect your carbon crank investment from scratches and dents from pedal strikes - Material: Injection molded plastic - Recommended Group: XX1, X01, XX, X0
Wheels Manufacturing Inc. Crank Spindle Spacer
$15.99 - $19.99
Use these Wheels Manufacturing Crank Spindle Spacers to adjust chainline or bearing play in bottom brackets. - 24mm for Shimano Hollowtech II, FSA, Race Face EXI, SRAM GPX - 30mm for BB30, PF30, BB86, BB92 and other cranks with 30mm spindles - Machined engineering-grade Delrin - 10 spacers per bag
SRAM Carbon Crank Arm Boot
$16.00
SRAM’s cranks are strong and tough, ready for any kind of ride. So it’s inevitable that pedal strikes and debris will chip away at the end of the crank. SRAM’s Carbon Crank Boot is an upgrade that combats the wear and tear that comes with hard riding. The boot protects the crank from surface damage and keeps the rider’s style perfectly intact.
TruVativ M15/M22 GXP Crank Arm Self-Extracting Bolts
$16.99
TruVativ Crank Arm Fixing Bolts - Monocoque carbon crankset with hollow-arm design - FSA Mega Tooth chainring design greatly improves chain retention - FSA BB392 compatibility allows use in nearly any frame - Bottom bracket not included
Wheels Manufacturing Inc. 29mm ID x 0.5mm Crank Spindle Spacer, Bag of 10
$16.99
Used to adjust crank chainline or take up any slack when using 29mm (SRAM DUB) spindle cranks. - 29mm I.D. for use with SRAM DUB cranks - 10 spacers per bag - Machined engineering-grade Delrin
Wheels Manufacturing Inc. 29mm ID x 1mm Crank Spindle Spacer, Bag of 10
$16.99
Used to adjust crank chainline or take up any slack when using 29mm (SRAM DUB) spindle cranks. - 29mm I.D. - 1.0mm thick - 10 spacers per bag - Machined engineering-grade Delrin
Shimano BB-UN26 E-Type Cartridge Bottom Bracket
$19.99
Cartridge-style bottom bracket for use with E-Type front derailleurs. - Smooth rotation - Square taper spindle - Sealed cartridge bearing assembly
FSA BB30 Crank Bolts
$21.99
- Self-extracting bolts for BB30 cranks: includes puller cap that threads into BB30 crank arms - Sold as singles
Wheels Manufacturing Inc. Individual Chainring Spacer
$23.99 - $30.99
- For chain and derailleur alignment - 20 per bag
e*thirteen by The Hive Chain Guide Idler Pulley
$23.99
- Service parts for E-13 chainguides - Fits: 06+ single ring guides
e*thirteen by The Hive Chain Guide Upper Slider Kit
$23.99
- Service parts for E-13 chainguides
Wheels Manufacturing Inc. Crank Spindle Wave Washer
$24.99
Wheels Manufacturing Wave Washers help eliminate side play in cranks or pre-loaded angular contact bearings. Please refer to your crankset manufacturer's installation instructions for proper placement. - 24mm for Shimano Hollowtech II, FSA, Race Face EXI, SRAM GPX - 30mm for BB30, PF30, BB86, BB92 and other cranks with 30mm spindles - Uncompressed Thickness: 2.1mm - Compressed Thickness: 0.5mm - Spring Steel - 10 per bag
e*thirteen by The Hive Chain Guide Lower Slider Kit
$25.99
- Lower slider replacement parts for E-13 chainguides
Shimano BB-ES300 Octalink Bottom Bracket
$26.99
Shimano BB-ES300 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included
SRAM X-Sync 2 Eagle Direct Mount Chainring
$29.00 - $29.99
Eagle Technology creates the smoothest, quietest, longest lasting and most efficient drivetrains SRAM has ever made. The radical new look and feel of the X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. The longer, positive-rake tooth shape has been designed to work perfectly with Eagle chains to increase chain retention and overall pedaling efficiency, while decreasing friction, noise, and wear. The complete Eagle system—crankset, chainring, chain, shifter, derailleur and cassette—is designed, tested, and proven to deliver the ultimate mountain bike drivetrain. Put simply, Eagle is capable of revolutionizing the ride for all riders on every kind of terrain. - Designed to be used with Eagle chain - Material: Steel
SRAM X-Sync Steel 11-Speed Chainring
$29.00
The SRAM X-Sync STEEL 1x chainrings are the perfect replacement ring for the cost conscious with added durability of steel. The same SRAM X-SYNC technology at a price well below competitors’ imitation “narrow wide” rings. Best performing chainrings at the best price. - Drivetrain Speeds: 10 , 11 - Material: Steel - Ring Position/Type: Single - Weight: 110 grams (32t), 96 grams (30t),
SRAM X-Sync Steel Direct Mount Chainring
$29.00
The SRAM X-Sync Steel 1x chainrings are the perfect replacement ring for the cost conscious with added durability of steel. The same SRAM X-Sync technology at a price well below competitors’ imitation “narrow wide” rings. Best performing chainrings at the best price. - Compatibility: Compatible with all SRAM 1x cranks, DM 28-tooth ring is not compatible with 30mm cranks that require a 0mm offset ring
Blackspire Super Pro Chainring
$29.99
- CNC machined 7075-T6 aluminum with modified shift gates and special profiles to allow flawless shifting with 9sp and 10sp drivetrains - Middle and outer chainrings have strategically-placed stainless steel pins to further enhance shifting - 5mm thick middle ring, 4mm thick outer ring - Anodized black with laser-etched graphics
SRAM X-Sync EX1 Chainring
$29.99 - $30.00
The EX1 drive train was designed specifically for the demands of electric-assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAM’s high end MTB parts provide high value, quiet operation and ease of service. - X-Sync (wide-narrow) tooth profiles for great chain management - Compatible with Bosch mid-drive E-bike systems - Material: Steel - Size/BCD: Direct mount - Recommended Group: EX1
SRAM X-Sync Eagle Chainring
$29.99
- X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise. - Designed to be used with Eagle chain - Chainring bolts not included
TruVativ Aluminum Chainring
$29.99
Original equipment on SRAM and Truvativ cranks, they also work well with other drivetrains. - Middle chainring, use with 48T outer - 64mm BCD
Wolf Tooth Components Set of 4 Chainring Bolts for M8 Threaded Chainrings (10mm Long)
$29.99
Wolf Tooth designed these bolts to be the best on the market. They have a 4mm hex socket and are 10mm long so you can use a bash ring with your chainring that has threaded standoffs like the Wolf Tooth 104 BCD 30t ring, Elliptical 104 BCD rings, 76 BCD rings and others. No nuts are included with these bolts as they are intended for use with threaded chainrings. These work great with Wolf Tooth or any other brand threaded M8 x 0.75 chainrings.
Page 1 of 8 Next page