Dartmoor - THORN MTB Cranks

New ultralight BMX 2-pcs cranks. Crank arms made of fully heat-treated 4130 Cr-Mo steel. 22mm hollow axle with 48 splines welded to right arm. Small gusset welded from the inner side of the crank to make the pedals assembly area stronger. Sprocket assemby holes for both sides drive (RHD/LHD). Two arm bolts included - steel and alu. Second sprocket hole for <23T sprockets. Both assembling and disassembling tools included. Two sprocket bolts (bigger one is hollow).

Specifications:

• Fully heat-treated 4130 Cr-Mo steel
• Compatible with RHD or LHD
• Arms length: 170mm
• Axle diam.: 22mm
• Splines: 48
• Tools included
• weight: 745g

170mm (Thorn MTB) designed to work with Euro external bearings (like Dartmoor Euro eX BB 22mm) with 68mm or 73mm BB shells to create an extra strong and efficient combination with frames like Two6Player

150mm (Thorn BMX) perfectly working with Spanish or MID BB equipped frames as well as standard Euro BB to minimize number of required spacers for such kind of frames and keep correct chain line