- Bike Checks
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|Product||Middleburn RS8 X-Type Crank Arms|
|Arm Material Details|
|BB Shell Widths|
|Miscellaneous||Middleburn RS8 X-Type Crank Arms. Cranksets - MTB. Machined from the same billet as the RS7, but with more weight reduction to reduce mass but retain stiffness. The X-Type version uses a floating 24mm alloy BB axle. The splined end is middleburn specific. Bearings can be pre-loaded with Middlebu .... .|