Shimano DEORE-M6100 Hollowtech-II 170mm Single Speed 30T Crankset closeout The Serfas Dual Density line

The Serfas Dual Density line of saddles is constructed using their patented I

Washer shape: Flat

and slips slightly when encountering impacts

It also prevents a broken spoke from puncturing the tubeless system and losing air

Gravel gear ratios preserve riding rhythm over rough surfaces with wider tires

Shimano DEORE-M6100 Hollowtech-II 170mm Single Speed 30T Crankset closeout The Serfas Dual Density lineThe Shimano DEORE FC M6130 1x12 speed crank with 181 mm Q factor, 56. 5 mm chainline and 157 mm O. L. D stands for highest drive efficiency. It offers optimum power transmission and maximum speed for the new DEORE system, which only use 1 chainring. Formed from the same DNA as its big siblings: DEORE 1x12 speed Crank FC M6130 1 from Shimano Molded from the same DNA as XTR, DEORE XT and SLX, the new M6100 series delivers Shimanos proven 12 speed