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EXTRA 20% Off 2+ Tires

Summit+ Days exclsuive

Get a FREE Castelli Jersey

With select full-price bib short purchase

Exclusive Deals & Giveaways

Summit+ Days is on

Black Bike Drivetrain Small Parts

84 results

  • black

XPLR Rear Derailleur Pulley Kit

SRAM

XPLR Rear Derailleur Pulley Kit

2 colors

Current price: $86.45 - $144.90 Original price: $161.00
Up to 10% off

EXTRA 5% Off Clearance

Rival 12-Speed Crank Bolt Kit

SRAM

Rival 12-Speed Crank Bolt Kit

1 color

Current price: $7.65 Original price: $9.00
15% off

EXTRA 5% Off Clearance

Cassette Stealth Ring Set for XG-1290

SRAM

Cassette Stealth Ring Set for XG-1290

1 color

$16.20 - $27.00
Up to 40% off

EXTRA 5% Off Clearance

(1)

X-Sync Ceramic Pulley Wheel Assembly Kit

SRAM

X-Sync Ceramic Pulley Wheel Assembly Kit

1 color

Current price: $80.75 Original price: $85.00
5% off
SW-RS801 Shift Switch

Shimano

SW-RS801 Shift Switch

2 colors

$160.00

(2)

EW-SS302 Speed Sensor Unit

Shimano

EW-SS302 Speed Sensor Unit

1 color

Current price: $17.09 - $23.76 Original price: $33.00
Up to 45% off

EXTRA 5% Off Clearance

E-Tube Di2 Junction Box

Shimano

E-Tube Di2 Junction Box

1 color

Current price: $28.82 - $29.28 Original price: $38.00
Up to 23% off
XTR 11 Speed Mountain Pulley Wheel Kit

Shimano

XTR 11 Speed Mountain Pulley Wheel Kit

1 color

Current price: $27.14 Original price: $40.00
32% off

EXTRA 5% Off Clearance

(1)

XT 11 Speed Mountain Pulley Wheel Kit

Shimano

XT 11 Speed Mountain Pulley Wheel Kit

1 color

Current price: $15.04 Original price: $22.00
32% off
E-Tube Di2 Internal Junction-A - EW-RS910

Shimano

E-Tube Di2 Internal Junction-A - EW-RS910

1 color

Current price: $113.48 Original price: $145.00
22% off
Battery Charger W/USA Cable

Specialized

Battery Charger W/USA Cable

1 color

$200.00
Derailleur Hanger

Ridley

Derailleur Hanger

1 color

Current price: $17.39 - $26.74 Original price: $39.99
Up to 35% off

EXTRA 5% Off Clearance

Di2 Seatpost Battery Holder

PRO

Di2 Seatpost Battery Holder

1 color

$15.00

(1)

New Arrival

F/X Seatpost Plug

Pinarello

F/X Seatpost Plug

1 color

$10.00

New Arrival

R Direct Mount Spider

Ochain

R Direct Mount Spider

1 color

$350.00

New Arrival

N Direct Mount Spider

Ochain

N Direct Mount Spider

1 color

$285.00
Derailleur Hanger

Niner

Derailleur Hanger

1 color

$14.00
Tech 4 Shifter Mount

Hope

Tech 4 Shifter Mount

1 color

$28.00
Tech 3 Shifter Mount

Hope

Tech 3 Shifter Mount

1 color

Current price: $16.96 Original price: $22.00
23% off

EXTRA 5% Off Clearance

Single-speed cog

Garbaruk

Single-speed cog

1 color

$35.00
Super Record 12 WRL Batteries

Campagnolo

Super Record 12 WRL Batteries

1 color

$459.95

10% Cashback Eligible

EPS Charger Cable

Campagnolo

EPS Charger Cable

1 color

$11.00
OSPW RS TEAM Replacement Cage

CeramicSpeed

OSPW RS TEAM Replacement Cage

1 color

$299.00
OSPW RS ALPHA v2 TEAM

CeramicSpeed

OSPW RS ALPHA v2 TEAM

2 colors

$699.00

10% Cashback Eligible

OSPW RS ALPHA v2

CeramicSpeed

OSPW RS ALPHA v2

2 colors

$699.00

10% Cashback Eligible

OSPW RS 5-Spoke v2

CeramicSpeed

OSPW RS 5-Spoke v2

4 colors

$629.00

10% Cashback Eligible

OSPW RS 3D Ti v2 Oil Slick PVD

CeramicSpeed

OSPW RS 3D Ti v2 Oil Slick PVD

1 color

$2,100.00

10% Cashback Eligible

OSPW RS 3D Ti v2

CeramicSpeed

OSPW RS 3D Ti v2

1 color

$1,995.00

10% Cashback Eligible

OSPW Aero ALPHA v2

CeramicSpeed

OSPW Aero ALPHA v2

1 color

$799.00

10% Cashback Eligible

OSPW Aero ALPHA Replacement Cage

CeramicSpeed

OSPW Aero ALPHA Replacement Cage

1 color

$419.00

10% Cashback Eligible

OHD Kit for Pinarello 2025 Dogma F + GR

CeramicSpeed

OHD Kit for Pinarello 2025 Dogma F + GR

1 color

$289.00
OHD Kit for Scott Foil RC, Addict 2025, Addict RC 2025

CeramicSpeed

OHD Kit for Scott Foil RC, Addict 2025, Addict RC 2025

1 color

$289.00
OSPW X Shimano GRX/RX 2x11 Coated

CeramicSpeed

OSPW X Shimano GRX/RX 2x11 Coated

2 colors

Current price: $556.82 - $593.02 Original price: $734.00
Up to 24% off

EXTRA 5% Off Clearance

OSPW X Shimano 12s XT/XTR Coated

CeramicSpeed

OSPW X Shimano 12s XT/XTR Coated

1 color

Current price: $480.00 Original price: $629.00
24% off

EXTRA 5% Off Clearance

OSPW X SRAM Alternative Force1/Rival1 T3 Clutch Coated

CeramicSpeed

OSPW X SRAM Alternative Force1/Rival1 T3 Clutch Coated

1 color

Current price: $477.78 Original price: $734.00
35% off

EXTRA 5% Off Clearance

OSPW X SRAM Alternative Force1/Rival1 T3 Clutch

CeramicSpeed

OSPW X SRAM Alternative Force1/Rival1 T3 Clutch

1 color

Current price: $408.57 Original price: $629.00
35% off

EXTRA 5% Off Clearance

OSPW X SRAM Alternative Eagle Mechanical

CeramicSpeed

OSPW X SRAM Alternative Eagle Mechanical

1 color

Current price: $416.71 Original price: $629.00
34% off

EXTRA 5% Off Clearance

OSPW X SRAM Alternative Eagle AXS

CeramicSpeed

OSPW X SRAM Alternative Eagle AXS

2 colors

$572.39 - $629.00
Up to 9% off

10% Cashback Eligible

12 Tooth Aluminum Pulley Wheels - Coated

CeramicSpeed

12 Tooth Aluminum Pulley Wheels - Coated

1 color

Current price: $308.75 Original price: $470.00
34% off

EXTRA 5% Off Clearance

12 Tooth Aluminum Pulley Wheels

CeramicSpeed

12 Tooth Aluminum Pulley Wheels

2 colors

Current price: $268.56 - $295.50 Original price: $377.00
Up to 29% off

EXTRA 5% Off Clearance

SRAM Eagle 12 Speed Aluminum Pulley Wheels

CeramicSpeed

SRAM Eagle 12 Speed Aluminum Pulley Wheels

1 color

$399.00
HOLLOWcage Oversized Derailleur Pulley Cage for Shimano

absoluteBLACK

HOLLOWcage Oversized Derailleur Pulley Cage for Shimano

1 color

$469.00

10% Cashback Eligible

(1)

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