On Sale

Ultra-smooth ceramic bearings
11 tooth nylon fiber upper & lower pulleys
Hardware included

The Box Two M30-P cranks feature a 2-pc design with hollow forged aluminum arms, integrated 4-bolt 104mm spider gear, a 30mm hollow 7075 aluminum spindle to maximize strength and rigidity
Praxis 30mm external Euro BB with CNC machined 6061-T6 aluminum cups and oversized precision sealed bearings for smooth operation
M30 BB installation tool included

Super-stiff, 2 piece crankset with hollow-forged arms & 24mm spindle
Includes 68mm BSA external BB
Chainring sold separately

Laboratory tested and team proven
Updated open-ended spindle cap
New wedge cluster band with greater flexibility
Never-wobble crank arm and spindle interface guarantee
41-Thermal lifetime replacement warranty against bending, cracking and breaking
Traditional spocket interface with 22mm spindle
Bottom bracket not included

Single/Double crank arm sets
Forged AL6061-T6 crank arms
Includes left and right crank arms only - Does not include chainring(s)
2x Chainline: 44.3mm
Q-Factor: 148.2mm
Does not include square taper BB
Weights do not include BB

CNC machined chromoly lockrings
Available in silver or black to match your style
1.29` x 24tpi LH

Threaded, hardened chromoly design
Ultra strong
Coated to withstand rusting
1.37` x 24 tpi

Threaded, hardened chromoly design
Ultra strong
Coated to withstand rusting
1.37` x 24 tpi

Threaded, hardened chromoly design
Ultra strong
Coated to withstand rusting
1.37` x 24 tpi

Threaded, hardened chromoly design
Ultra strong
Coated to withstand rusting
1.37` x 24 tpi

Threaded, hardened chromoly design
Ultra strong
Coated to withstand rusting
1.37` x 24 tpi

Threaded, hardened chromoly design
Ultra strong
Coated to withstand rusting
1.37` x 24 tpi

Threaded, hardened chromoly design
Ultra strong
Coated to withstand rusting
1.37` x 24 tpi

Threaded, hardened chromoly design
Ultra strong
Coated to withstand rusting
1.37` x 24 tpi

Splined, hardened chromoly construction
Optimized for strength and durability
Designed for Shimano/SRAM splined style cassette bodies
ZERO-FLEX taper base design

Splined, hardened chromoly construction
Optimized for strength and durability
Designed for Shimano/SRAM splined style cassette bodies
ZERO-FLEX taper base design

CNC machined chromoly lockrings
Available in silver or black to match your style
1.29` x 24tpi LH

7075 alloy replacement rings
10 speed compatible

10 speed 7075 alloy replacement rings

10 speed 7075 alloy replacement rings

10 speed 7075 alloy replacement rings

7075 alloy replacement rings
10 speed compatible

10 speed steel replacement rings

CNC machined AL6061-T6 alloy construction
Great for all single speed applications
Hand-applied splatter anodized finish makes each chainring unique
5-Bolt 144mm BCD pattern
1/2` x 1/8` tooth profile

CNC machined AL6061-T6 alloy construction
Great for all single speed applications
Hand-applied splatter anodized finish makes each chainring unique
5-Bolt 144mm BCD pattern
1/2` x 1/8` tooth profile

Genuine 1 piece SE Bikes chainrings
Accepts standard 1/2` x 1/8` chains

CNC machined AL6061-T6 alloy construction
Great for all single speed applications
Hand-applied splatter anodized finish makes each chainring unique
5-Bolt 144mm BCD pattern
1/2` x 1/8` tooth profile

Made in the USA from 6061-T6 aluminum alloy, Box Two BMX Chainrings are round and true
They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth

Precision double CNC machined 144bcd reliable track chain rings sized 47-65 tooth
Polish silver or hard anodized finish, profiled teeth = free watts

Micro Drive II chainrings are compatible with 1-piece and 22mm 3-piece BMX cranks
CNC machined 6061T6 alloy construction