Profile Racing Axle Bolts Flush Mount

Profile Racing Axle Bolts
Profile Axle Bolts GDH for GDH Spindle. GDH is gun driller hollow. The Newest Model Hollow Spindle. Only Fits Profile Racing Brand Spindles.
Profile Racing Crank Arm Fixing Bolts for Profile and Madera cranks with GDH (gun drilled hollow) 19mm spindles. M12 x 1.25. Sold in pairs.
Chromoly Flush Mount Crank Bolts come in 3 sizes: A. The 3/8 x 24 thd version for solid axle crank sets, B.The Gun Drilled Hollow M12 x 1.25 thd version for our GDH axle crank sets, and C. The 7/16 x 20 thd version for the old solid SS Crank axle.
-Includes two (2) crank bolts and (2) flush aluminum washers.
-GDH bolts should not be used to pull on your crank arms. For crank arm installation, please use the proper GDH crank tool.
Weight(per set of two):-19mm Solid 3/8 x 24thd flush bolts- 36g/1.26 oz-GDH M12 x 1.25 thd flush bolts- 42g/1.47 oz-SS Solid 7/16 x 20thd flush bolts- 56g/1.99 oz