Constructed of 7075 T-6 heat-treated aircraft tapered aluminum Flexes to reduce rider fatigue and arm pump offering ultimate strength and durability Clamp surface is 1 1/8" and tapers down to 7/8" to fit controls and grips 1 1/8" oversized clamp kit or risers are required to mount handlebars to snowmobile Available in carbon fiber or gunmetal-style finish Carbon fiber wrap acts as a barrier between the grip heater and aluminum to allow the grips to get hotter Includes black snowmobile bar pad Note: Optional aluminum hooks are available for all bars except the Race bend. Note: 7" long grips will not be long enough if running a RSI long bar hook or when using handlebars with pre-bent long, 90° hooks. For these longer hook applications, use the RSI 8" rubber grips or RSI Grip Wrap grips.